t4240emu.c 1.6 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright 2013 Freescale Semiconductor, Inc.
  4. */
  5. #include <common.h>
  6. #include <command.h>
  7. #include <env.h>
  8. #include <i2c.h>
  9. #include <init.h>
  10. #include <netdev.h>
  11. #include <linux/compiler.h>
  12. #include <asm/mmu.h>
  13. #include <asm/processor.h>
  14. #include <asm/cache.h>
  15. #include <asm/immap_85xx.h>
  16. #include <asm/fsl_law.h>
  17. #include <asm/fsl_serdes.h>
  18. #include <asm/fsl_liodn.h>
  19. DECLARE_GLOBAL_DATA_PTR;
  20. int checkboard(void)
  21. {
  22. struct cpu_type *cpu = gd->arch.cpu;
  23. printf("Board: %sEMU\n", cpu->name);
  24. return 0;
  25. }
  26. int board_early_init_r(void)
  27. {
  28. const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
  29. int flash_esel = find_tlb_idx((void *)flashbase, 1);
  30. /*
  31. * Remap Boot flash + PROMJET region to caching-inhibited
  32. * so that flash can be erased properly.
  33. */
  34. /* Flush d-cache and invalidate i-cache of any FLASH data */
  35. flush_dcache();
  36. invalidate_icache();
  37. if (flash_esel == -1) {
  38. /* very unlikely unless something is messed up */
  39. puts("Error: Could not find TLB for FLASH BASE\n");
  40. flash_esel = 2; /* give our best effort to continue */
  41. } else {
  42. /* invalidate existing TLB entry for flash */
  43. disable_tlb(flash_esel);
  44. }
  45. set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
  46. MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  47. 0, flash_esel, BOOKE_PAGESZ_256M, 1);
  48. return 0;
  49. }
  50. int misc_init_r(void)
  51. {
  52. return 0;
  53. }
  54. int ft_board_setup(void *blob, bd_t *bd)
  55. {
  56. phys_addr_t base;
  57. phys_size_t size;
  58. ft_cpu_setup(blob, bd);
  59. base = env_get_bootm_low();
  60. size = env_get_bootm_size();
  61. fdt_fixup_memory(blob, (u64)base, (u64)size);
  62. fdt_fixup_liodn(blob);
  63. fsl_fdt_fixup_dr_usb(blob, bd);
  64. return 0;
  65. }